Noun; Abbreviation of "A Bit On the Side"
"I'm gonna see my ABOS tonight"

"I could do with an ABOS right now"
by AishMeist June 17, 2009
Stands for AIDS BY OSMOSIS. This is the passing of aids from an area of high concentration to an area of low concentration, through a partially permiable membrane. Usually used to refer to a particularly slaggy person who, you might imagine, may have taken quite a few jizz shots in the face ie. bukakke! Or who might have regular contact with other men's semen.
One might say:
"dat slag is such a hoe dat she must have caught A.B.O."

"Ur mum's such a hoe dat she caught A.B.O. twice on the same day!"
by DnB_Pirate September 05, 2008
A black guy in straya that just wants some of your petrol you find them around centrelink with one thong.
Mate look at all the fricken abos around centrelink
by NOCH February 19, 2015
Name of a generic candidate in the 2012 United States presidential election. It is an acronym meaning Anyone But Obama.
Obama is for all intensive purposes a Socialist, so I'm voting for ABO.
by Dual Engineer August 18, 2011
Word frequently used by Swedish immigrants expressing any feeling whatsoever.
Abo yao län! What the fuck was that all about?! (poor translation from swedish)
by dudemaister November 06, 2009
Acronym for “American Born Orphan”.

Pronounced: ăbō

D'vora Maria Najée is a proud ABO!
by D'vora Maria Najée March 02, 2009
1. noun - slang for abortion.
2. adverb (abo'd) - to have had an abortion
"Dude, my girlfriend just told me she's pregnant. I need to convince her to get an abo or I'm screwed!"
by aladrieth March 15, 2009

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